brainfuck

Brainfuck support for r2
========================

Plugins for brainfuck:
  - asm.bf - brainfuck assembler and disassembler
  - debug.bf - debugger using bfvm
  - anal.bf - code analysis for brainfuck
  - bp.bf - breakpoints support (experimental)

To debug a brainfuck program:

$ r2 -D bf bfdbg:///tmp/bf

> dc    # continue
> x@scr # show screen buffer contents

The debugger creates virtual sections for code, data, screen and input.

TODO 
----
- add support for comments, ignore invalid instructions as nops
- enhace io and debugger plugins to generate sections and set arch opts

Hello World
===========
>+++++++++[<++++++++>-]<.>+++++++[<++++>-]<+.+++++++..+++.[-]
>++++++++[<++++>-] <.>+++++++++++[<++++++++>-]<-.--------.+++
.------.--------.[-]>++++++++[<++++>- ]<+.[-]++++++++++.

$ cat << EOF
>+++++++++[<++++++++>-]<.>+++++++[<++++>-]<+.+++++++..+++.[-]>++++++++[<++++>-] <.>+++++++++++[<++++++++>-]<-.--------.+++.------.--------.[-]>++++++++[<++++>- ]<+.[-]++++++++++.
EOF